{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-34491", "assignerOrgId": "7281d04a-a537-43df-bfb4-fa4110af9d01", "state": "PUBLISHED", "assignerShortName": "jci", "dateReserved": "2026-03-30T08:25:11.763Z", "datePublished": "2026-08-24T17:24:25.732Z", "dateUpdated": "2026-08-24T17:24:25.732Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7281d04a-a537-43df-bfb4-fa4110af9d01", "shortName": "jci", "dateUpdated": "2026-08-24T17:24:25.732Z"}, "datePublic": "2026-08-24T17:17:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper neutralization of input during web page generation ('cross-site scripting')"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Cross Site Scripting"}]}], "affected": [{"vendor": "Johnson Controls", "product": "Metasys 14", "versions": [{"status": "affected", "version": "0", "lessThan": "14.1.5", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Johnson Controls", "product": "Metasys 15", "versions": [{"status": "affected", "version": "0", "lessThan": "15.0.1", "versionType": "custom"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:johnson_controls:metasys_14:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "14.1.5"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:johnson_controls:metasys_15:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "15.0.1"}]}]}], "descriptions": [{"lang": "en", "value": "Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Johnson Controls Metasys 14 and Johnson Controls Metasys 15 allows Cross Site Scripting.\n\nThis issue affects Metasys 14: before 14.1.5; Metasys 15: before 15.0.1.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Johnson Controls Metasys 14 and Johnson Controls Metasys 15 allows Cross Site Scripting.<p>This issue affects Metasys 14: before 14.1.5; Metasys 15: before 15.0.1.</p>"}]}], "references": [{"url": "https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "UNREPORTED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U"}}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Metasys 14", "vendor": "Johnson Controls", "versions": [{"lessThan": "14.1.5", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "Metasys 15", "vendor": "Johnson Controls", "versions": [{"lessThan": "15.0.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Johnson Controls Metasys 14 and Johnson Controls Metasys 15 allows Cross Site Scripting.\n\nThis issue affects Metasys 14: before 14.1.5; Metasys 15: before 15.0.1."}], "id": "CVE-2026-34491", "lastModified": "2026-08-24T18:17:00.337", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "UNREPORTED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-08-24T18:17:00.337", "references": [{"source": "[email protected]", "url": "https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received"}

{}

{"created": "2026-08-24T18:45:05.307246+00:00", "title": "Cross\u2011Site Scripting Vulnerability in Johnson Controls Metasys 14 and 15", "updated": "2026-08-24T18:45:05.307253+00:00", "vendors": [], "weaknesses": ["CWE-79"]}